311330230232 has 24 divisors (see below), whose sum is σ = 679049355060. Its totient is φ = 133427241360.

The previous prime is 311330230219. The next prime is 311330230261. The reversal of 311330230232 is 232032033113.

It is a junction number, because it is equal to n+sod(n) for n = 311330230198 and 311330230207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 397104494 + ... + 397105277.

Almost surely, 2^311330230232 is an apocalyptic number.

It is an amenable number.

311330230232 is an abundant number, since it is smaller than the sum of its proper divisors (367719124828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311330230232 is a wasteful number, since it uses less digits than its factorization.

311330230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794209791 (or 794209780 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 311330230232 its reverse (232032033113), we get a palindrome (543362263345).

The spelling of 311330230232 in words is "three hundred eleven billion, three hundred thirty million, two hundred thirty thousand, two hundred thirty-two".